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SiLabs: Clarify comments and fix sig buffer size

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Elms
2020-12-10 07:45:42 -08:00
parent 93fc37f87b
commit 9ba78eb825
3 changed files with 11 additions and 1 deletions
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2
wolfcrypt/src/ecc.c
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@ -6231,7 +6231,7 @@ int wc_ecc_verify_hash_ex(mp_int *r, mp_int *s, const byte* hash,
word32 msgLenInBytes = hashlen; word32 msgLenInBytes = hashlen;
CRYS_ECPKI_HASH_OpMode_t hash_mode; CRYS_ECPKI_HASH_OpMode_t hash_mode;
#elif defined(WOLFSSL_SILABS_SE_ACCEL) #elif defined(WOLFSSL_SILABS_SE_ACCEL)
byte sigRS[ECC_MAX_CRYPTO_HW_SIZE * 4]; byte sigRS[ECC_MAX_CRYPTO_HW_SIZE * 2];
#elif !defined(WOLFSSL_SP_MATH) || defined(FREESCALE_LTC_ECC) #elif !defined(WOLFSSL_SP_MATH) || defined(FREESCALE_LTC_ECC)
int did_init = 0; int did_init = 0;
ecc_point *mG = NULL, *mQ = NULL; ecc_point *mG = NULL, *mQ = NULL;

6
wolfcrypt/src/port/silabs/README.md
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@ -29,6 +29,12 @@ Update was preformed under Simplicity Studio directory:
versions requesting too much data or too quickly may result in versions requesting too much data or too quickly may result in
system reset and setting `SESYSREQ`. system reset and setting `SESYSREQ`.
### Multi-threading
The SE manager supports multi-threading for FreeRTOS and Micrium
([ref](https://docs.silabs.com/gecko-platform/latest/service/api/group-sl-se-manager#autotoc-md152)).
If a different OS is used with multi-threading, additional mutex
protection may be necessary.
## Benchmarks ## Benchmarks

4
wolfssl/wolfcrypt/ecc.h
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@ -404,6 +404,10 @@ struct ecc_key {
#ifdef WOLFSSL_SILABS_SE_ACCEL #ifdef WOLFSSL_SILABS_SE_ACCEL
sl_se_command_context_t cmd_ctx; sl_se_command_context_t cmd_ctx;
sl_se_key_descriptor_t key; sl_se_key_descriptor_t key;
/* Used for SiLabs "plaintext" with public X, public Y, and
* private D concatenated. These are respectively at offset `0`,
* offset `keysize`, and offset `2 * keysize`.
*/
byte key_raw[3 * ECC_MAX_CRYPTO_HW_SIZE]; byte key_raw[3 * ECC_MAX_CRYPTO_HW_SIZE];
#endif #endif